isithuba somthi i-pigtail insulator ifakwe kwisithuba somthi nge-tip tip, nceda ubone imifanekiso engezantsi. ukuba ufuna ukugcina umqhubi kude neposti yomthi ngaphezulu kwe-20cm, kungcono ukuba usebenzise ezi zinto zenziwe ngokhuni zokwenza i-pigtail insulator, ubude beplanga ye-pigtail insulator ungenziwa ngokwezifiso.

Ngokwesiqhelo, sine-25cm post post ye-pigtail yokwambathisa kunye ne-40cm post post ye-pigtail insulator, sikwanayo i-pigtail insulator, i-bracket bracket post post pigtail insulator inokugcina umqhubi kude omnye komnye kwi-80cm.